November 2019. A semi-submersible loaded with three tons of cocaine is seized off the Galician coast after having crossed the Atlantic. The captain, Nando, a promising young amateur boxer, travels accompanied by a Brazilian mechanic and a Colombian hitman. Three strangers locked up for almost a month in a claustrophobic handmade boat.

The tradition of hazing in university halls of residence is the catalyst for a nail-biting thriller, provoking serious reflection on gender and power struggles along with shocks and surprises at every turn.